Identification of a Sleep Bruxism Subgroup with a Higher Risk of Pain

  1. P.H. Rompré1
  2. D. Daigle-Landry1
  3. F. Guitard1
  4. J.Y. Montplaisir2
  5. G.J. Lavigne1,2,*
  1. 1Faculty of Dental Medicine, Université de Montréal, C.P. 6128, succ. Centre-Ville, Montréal, Canada, H3C 3J7; and
  2. 2Centre d’étude du sommeil et des rythmes biologiques, Hôpital du Sacré-Coeur, Canada

Abstract

Sleep research diagnostic criteria (SB-RDC) have been applied since 1996. This study was performed to validate these criteria and to challenge the hypothesis that pain is associated with lower frequencies of orofacial activities. Polygraphic recordings were made of 100 individuals presenting with a clinical diagnosis of sleep and 43 control individuals. TwoStep Cluster analyses (SPSS) were performed with sleep variables to reveal groupings among sleep bruxers and control individuals. Participants completed questionnaires during screening, diagnosis, and recording sessions. Cluster analysis identified three subgroups of sleep bruxers. Interestingly, 45 of the 46 sleep bruxers with values below SB-RDC were classified in the low-frequency cluster. These individuals were more likely to complain of pain and fatigue of masticatory muscles than were the higher-frequency sleep bruxers (odds ratios > 3.9, p < 0.01). Sleep bruxers were distributed among three heterogeneous groups. Sleep bruxers with low frequencies of orofacial activities were more at risk of reporting pain.

J DENT RES 2007 86: 837

Bradley Eli DMD, MS

Bradley Eli DMD, MS

Dr. Brad Eli is a nationally recognized leader in pain management and sleep disorders treatment. He has developed a multi-disciplinary approach to treat acute and chronic orofacial pain including migraines, stress and tension headaches, myofascial pain, neuralgia, temporomandibular disorders (TMD), and head and neck injuries. Refined techniques include behavior modification, psychology, physical medicine, and anesthesiology. His expertise in sleep led him to develop a patient centered method that offers a variety of sleep treatment options and matches each patient with the best treatment for their symptoms and life style. Dr. Eli understands how much chronic/acute pain can limit and negatively impact a person’s life, so he is tenacious about finding whatever is the right method is to help a patient so they can not only live a better life, but they can wake up knowing their day isn’t going to be defined by their pain. Dr Eli earned a post-doctoral master’s Degree at UCLA where he received advanced training in the field of orofacial pain and the treatment of sleep disordered breathing. He remains the only specialist with this unique skill set in the San Diego region. He is a member of and teaches for numerous professional associations including the American Headache Society, American Academy of Sleep Medicine and the American Academy of Dental Sleep Medicine. He maintains offices in San Diego county, where he is on the staff at both Scripps Memorial Hospital, La Jolla and Encinitas, Tri-City Medical Center, and Palomar Medical Center. Dr. Eli is the first specialist of this type in San Diego and works with multiple insurance plans, including Medicare and Tricare. www.sleeptreatmentspecialists.com

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